A common fault analysis of universal testing machine
Common failure analysis of universal material testing machine universal testing machine is in use after a period of time, more or less will appear a few small fault, but if there is a small action, such as the supplier of the technical personnel on-site maintenance, and is a waste of time, here to share some common troubleshooting methods: universal material testing machine,
The loading rate is not stable.
Causes:
1, the control parameter setting is not ideal,
2, sensor sampling is not stable.
Solution:
1, under the guidance of debugging personnel set control parameters,
2, good shielding wire.
Second, click on the 'valve port initialization' digital servo valve no action, not to whine.
Causes:
1, the measurement and control box power switch did not open;
2, line not connected.
Solution:
1, open the switch control box,
2, check whether the line is even better.
Third, no normal a/d signal is detected.
Causes:
1, oral communication failures,
2, measurement and control board failure.
Solution:
1, check the serial port connection, and confirm the connection,
2, change control board.
Fourth, cannot access control software.
Causes:
1, program error,
2, database error.
Solution:
1, increase the amount of open loop control, digital servo valve
2, apart, kerosene or gas flush valve core and valve body.
Five, click 'run' button, the pistons didn't rise.
Reason:
1, the open loop control quantity is too small,
2, valve core.
Solution:
1, reset well tubing,
2, and increase the amount of open loop control.
Six, click 'run' button after the piston rises slowly.
Causes:
1, tubing leaking joint,
2, open loop control quantity is not enough.
Solution:
1, reset well tubing,
2, and increase the amount of open loop control.
Seven, universal testing machine cannot be loaded into the maximum load.
Reason:
the tubing joint leakage.
Solution:
to connect the tubing.
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